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The demo works. Production doesn't: what breaks when you put an LLM on your company's data

The demo works. Production doesn't: what breaks when you put an LLM on your company's data

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4 min read
Your AI Agent Probably Belongs in the Data Pipeline

Your AI Agent Probably Belongs in the Data Pipeline

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6 min read
Why I am scared of complex nested JSON

Why I am scared of complex nested JSON

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7 min read
MQTT brokers and UNS plumbing: 8 side-by-side comparisons

MQTT brokers and UNS plumbing: 8 side-by-side comparisons

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2 min read
Turning Reddit threads into RAG-ready Markdown

Turning Reddit threads into RAG-ready Markdown

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3 min read
To SQL or to Python; there is another problem

To SQL or to Python; there is another problem

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6 min read
A backfill can match row counts and totals while still being wrong

A backfill can match row counts and totals while still being wrong

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4 min read
A deleted CDC row still needs a version: a Python counterexample

A deleted CDC row still needs a version: a Python counterexample

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4 min read
An old event timestamp can still leak future information into training data

An old event timestamp can still leak future information into training data

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4 min read
BETWEEN can double-count a fact at an SCD2 version boundary

BETWEEN can double-count a fact at an SCD2 version boundary

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4 min read
Data platform teams are becoming exception handlers

Data platform teams are becoming exception handlers

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7 min read
Proving a parsed brokerage statement: the cash check and the position check in Python

Proving a parsed brokerage statement: the cash check and the position check in Python

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4 min read
Delta Lake Table Maintenance on Databricks: OPTIMIZE, Z-ORDER vs Liquid Clustering, and VACUUM

Delta Lake Table Maintenance on Databricks: OPTIMIZE, Z-ORDER vs Liquid Clustering, and VACUUM

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6 min read
Parsing money in Python: reject bad precision before choosing how to round

Parsing money in Python: reject bad precision before choosing how to round

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4 min read
Replaying payment events: test the second run, not just the first

Replaying payment events: test the second run, not just the first

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2 min read
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